Ключевые слова: 3, 3rd, appointment, autumn, background, blank, business, calendar, coffee, concept, conceptual, cup, daily, date, day, deadline, december, desk, diary, education, elearning, empty space, event, horizontal, important, job, month, monthly, morning, note, notebook, november, number, october, organize, organizer, planner, remember, reminder, school, sign, student, symbol, tea, teacher, third, three, time, tomorrow, workplace,